Senior Fullstack Developer (Node.js, React, AWS)

New

ScaloFraud detection

Workplace type: remote; Country code: PL; tryb realizacji usług: 100% zdalnieContractSenior

Salary130 - 150 PLN per hour

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Job Details

Languages: Języka angielskiego na poziomie B2+/C1
Experience: Minimum 5 lat doświadczenia w tworzeniu oprogramowania
Required Skills: AWSGraphQLNode.jsTypeScriptReactCI/CDRESTful APIsDistributed Systems

Have at least 5 years of software development experience.
Have very good knowledge of Node.js and TypeScript.
Have practical AWS experience, particularly with Lambda, DynamoDB, S3, IAM, AppSync, and API Gateway.
Have experience designing and developing fullstack applications.
Know React.
Know event-driven architecture and distributed systems operating in the cloud.
Have experience designing and implementing REST/HTTP and GraphQL APIs.
Know software testing practices, including TDD, BDD, and automated testing.
Know SOLID principles and good practices for designing and maintaining code.
Have experience with CI/CD processes and deployment automation.
Know system security, performance, monitoring, and maintainability.
Be able to lead tasks independently from technical concept through production deployment.
Have English proficiency at B2+/C1 level.

Develop and maintain a web application for real-time fraud detection and customer authentication.
Design and implement fullstack solutions using Node.js, React, TypeScript, and modern frontend technologies.
Develop cloud services in AWS and design and maintain infrastructure and integrations between system components.
Design solutions based on event-driven architecture and distributed systems.
Contribute across the full software development lifecycle.
Create and develop REST and GraphQL APIs.
Maintain cloud infrastructure and contribute to deployment automation, DevOps, and security.
Use AI development tools, including Claude and GitHub Copilot.

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